June in Kanchanaburi is the windiest and the cloudiest month of the year. In June, the weather in Kanchanaburi is typically hot. Average daily high temperature in June is about 32 degrees above zero. On average, Kanchanaburi has 26 rainy and 4 cloudy days in June. The rains are usually heavy. June as well as May, July, August, and September is considered the most uncomfortable time to visit Kanchanaburi.